package cn.tedu;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

public class Demo04 {
    public static void main(String[] args) {
        //获取链接
        try (Connection conn = DBUtils.getConn()){
            Statement s = conn.createStatement();
            ResultSet rs = s.executeQuery("select name,sal from emp");
            while (rs.next()){
//                //通过字段名获取数据
//                String name = rs.getString("name");
                //通过字段的位置获取数据
                String name= rs.getString(1);
                double sal = rs.getDouble(2);
                System.out.println(name+":"+sal);
            }
        } catch (SQLException throwables) {
            throwables.printStackTrace();
        }

    }
}
